What is the iot wifi module design? What is the important role?

WiFi module belongs to physical network transmission layer, built-in wireless network protocol IEEE802.11b.gn protocol stack and TCP/IP protocol stack.

WIFI smart home system is a smart home control system product with built-in WIFI module. This type of product has WIFI wireless control function, and the structure is relatively simple and easy to use.

How to use wifi module to realize smart home control? Local Area Network Control

Method 1: Wifi module works in AP mode, and smart terminals (cell phones, tablets) directly access the network provided by the wifi module to realize wireless control in the same hotspot network.

However, in the AP mode (i.e. hotspot development mode) where the wifi module carries out its work, the side of the smart technology device that can be accessed through is somewhat restricted. Therefore, the wifi module uses some other 6 intelligent system control management side (such as cell phones and tablets) that

Method 2: The Wifi module operates in sta mode, with the smart terminal and the wifi module operating in the wireless network environment provided by the wireless router, and the data signals are transmitted by the wireless router for wireless control of the local area network.

Method 3: Use STA mode of wifi module as central controller. wireless communication between wifi central controller and other device terminals can use 433 technology, 315 technology and 2.4G technology to form a wifi central controller LAN.

Tip: 433 wireless network technology is a wireless one-way management technology that develops with certain advantages and carries out relatively long transmission distance. The 433 technology can be used for communication between the Wifi controller and the 433 switch. The wifi module is in STA mode for enterprises at this time. It is recommended that 2.4G technology is a two-wire wireless technology with a shorter transmission distance.

Smart home control must use WiFi module?

Smart development home system based on WiFi technology consists of WiFi smart management node, smart home gateway, wireless router, remote data server, control information terminal, 4G communication enterprise network and Internet. WIFI is common in our daily learning life, but it does not completely cover all the economic market of smart home design system in China. Nowadays, many artificial smart home culture products in China are produced using RF, zigbee and WIFI technologies.

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